Neutralino dark matter scattering and Bs→μ+μ− in SUSY models | Zendy

Seungwon Baek | Zendy; Yeong Gyun Kim | Zendy; Pyungwon Ko | Zendy

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Neutralino dark matter scattering and B_s→μ⁺μ⁻ in SUSY models

Author(s) -

Seungwon Baek,

Yeong Gyun Kim,

Pyungwon Ko

Publication year - 2005

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2005/02/067

Subject(s) - physics , particle physics , neutralino , dark matter , supersymmetry , branching fraction , supergravity , scattering , higgs boson , parameter space , observable , nuclear physics , quantum mechanics , statistics , mathematics

It is pointed out that there is a strong correlation between the neutralinodark matter scattering cross section $\sigma_{\tilde{\chi} p}$ and thebranching ratio for $B_s \to \mu^+ \mu^-$ within minimal supergravity (mSUGRA)and its extensions. This correlation arises mainly from $\tan\beta$ and heavyneutral Higgs mass dependence, and shows a nice interplay between vastlydifferent two observables within supersymmetric models. Current upper limit on$B(B_s \to \mu^+ \mu^-) < 5.8 \times 10^{-7}$ excludes substantial parameterspace where $\sigma_{\tilde{\chi} p}$ is within the CDMS sensitivity region.Comment: version to appear in JHE

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